From efcda8faf3871b1ea0d40b86c74731ca25ab1903 Mon Sep 17 00:00:00 2001
From: David Parsons <orc@crepe.pell.portland.or.us>
Date: Fri, 26 Sep 2008 22:08:30 -0700
Subject: [PATCH] Forgot to check in toc.c

---
 toc.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 toc.c

diff --git a/toc.c b/toc.c
new file mode 100644
index 0000000..8fe240d
--- /dev/null
+++ b/toc.c
@@ -0,0 +1,62 @@
+/*
+ * toc -- spit out a table of contents based on header blocks
+ *
+ * Copyright (C) 2008 Jjgod Jiang, David L Parsons.
+ * The redistribution terms are provided in the COPYRIGHT file that must
+ * be distributed with this source code.
+ */
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include "cstring.h"
+#include "markdown.h"
+#include "amalloc.h"
+
+/* write an header index
+ */
+int
+mkd_generatetoc(Document *p, FILE *output)
+{
+    Paragraph *pp;
+
+    int last_hnumber = 0,
+	first_hnumber = 0;
+
+    if ( !(p && p->ctx) ) return -1;
+    if ( ! (p->ctx->flags & TOC) ) return 0;
+
+    for ( pp = p->code; pp ; pp = pp->next ) {
+        if ( pp->typ == HDR && pp->text ) {
+	    
+	    if ( last_hnumber == pp->hnumber )
+		fprintf(output, "%*s</li>\n", pp->hnumber, "");
+	    else while ( last_hnumber > pp->hnumber ) {
+		fprintf(output, "%*s</li>\n%*s</ul>\n",
+				 last_hnumber, "",
+				 last_hnumber-1,"");
+		--last_hnumber;
+	    }
+	    
+	    while ( pp->hnumber > last_hnumber ) {
+		fprintf(output, "\n%*s<ul>\n", pp->hnumber, "");
+		++last_hnumber;
+	    }
+	    fprintf(output, "%*s<li><a href=\"#", pp->hnumber, "");
+	    mkd_string_to_anchor(T(pp->text->text), S(pp->text->text), putc, output);
+	    fprintf(output, "\">");
+	    mkd_text(T(pp->text->text), S(pp->text->text), output, 0);
+	    fprintf(output, "</a>");
+        }
+    }
+
+    while ( last_hnumber > 0 ) {
+        fprintf(output, "%*s</li>\n%*s</ul>\n",
+			last_hnumber, "", last_hnumber, "");
+	--last_hnumber;
+    }
+
+    return 0;
+}
+